CN109538627A - A kind of high revolving speed deep groove ball bearing of automobile gearbox - Google Patents
A kind of high revolving speed deep groove ball bearing of automobile gearbox Download PDFInfo
- Publication number
- CN109538627A CN109538627A CN201910053966.4A CN201910053966A CN109538627A CN 109538627 A CN109538627 A CN 109538627A CN 201910053966 A CN201910053966 A CN 201910053966A CN 109538627 A CN109538627 A CN 109538627A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- inner ring
- groove ball
- deep groove
- automobile gearbox
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of high revolving speed deep groove ball bearing of automobile gearbox, it is related to a kind of high revolving speed deep groove ball bearing, to solve the problems, such as that the existing deep groove ball bearing its maximum speed on the basis of meeting service life is not able to satisfy the high-revolving requirement of new-energy automobile gearbox.The present invention includes inner ring, outer ring, retainer and multiple steel balls, the inner surface of outer ring and the outer surface of inner ring are machined with raceway, outer ring is nested together with inner ring, multiple steel balls are erected on retainer and are placed between outer ring and inner ring, the ditch coefficient of curvature of inner ring and outer ring is 0.52, the baffle coefficient of inner ring and outer ring is 0.4, and the surface of the raceway of inner ring and outer ring is equipped with carbonitrided case.The present invention is tested by high speed temperature rise, and functional, maximum speed is 1.3 times of deep-groove ball maximum speed on existing automobile gearbox, and bearing capacity improves 1.5 times compared with similar products.The present invention is suitable for carrying larger high-revolving occasion and uses.
Description
Technical field
The present invention relates to a kind of deep groove ball bearings, and in particular to a kind of high revolving speed deep groove ball bearing of automobile gearbox.
Background technique
The gearbox of new-energy automobile is the core component of equal importance with motor, battery, it is different from traditional automobile
Gearbox, it is desirable that the volume of gearbox is smaller, weight is lighter, transmission efficiency is higher, torque capability is stronger.In the case, make
For the bearing of speed changer core part, then the decisive guiding of new-energy automobile speed changer development is assumed responsibility for.Due to existing automobile
The highest of the deep groove ball bearing of gearbox is 10380r/min or so using revolving speed, since applying working condition is severe, it is also necessary to bear
Heavy load and biggish stress alternation, the existing deep groove ball bearing its maximum speed on the basis of meeting service life cannot expire
The sufficient high-revolving requirement of new-energy automobile gearbox.
Summary of the invention
The present invention cannot expire to solve the existing deep groove ball bearing its maximum speed on the basis of meeting service life
The problem of sufficient new-energy automobile gearbox high-revolving requirement, and a kind of high revolving speed deep-groove ball axis of automobile gearbox is provided
It holds.
The technical solution adopted by the present invention to solve the above technical problem is:
It includes inner ring, outer ring, retainer and multiple steel balls, and the inner surface of outer ring and the outer surface of inner ring are machined with rolling
Road, outer ring are nested together with inner ring, and multiple steel balls are erected on retainer and are placed between outer ring and inner ring, inner ring and outer ring
Ditch coefficient of curvature is 0.52, and the baffle coefficient of inner ring and outer ring is 0.4, and the surface of the raceway of inner ring and outer ring is equipped with carbon
Nitrogen co-penetration layer.
Further, it is high-quality to be all made of superfine of the non-metallic inclusion size no more than 15 microns for the material of inner ring and outer ring
Bearing steel.
Further, the high-quality bearing steel of superfine is GCr15A bearing steel.
Further, the bearing steel is the bearing steel of vacuum outgas.
Further, the surface of retainer is equipped with the carbonitrided case of tufftride.
Compared with the prior art, the invention has the following beneficial effects:
One, 0.52 is set by the ditch coefficient of curvature of inner ring and outer ring, improves speed capability of the invention, by inner ring and outside
The rib coefficient of circle is set as 0.4, improves the axial load of two-way alternation of the invention, and the surface of the raceway of inner ring and outer ring is equal
Equipped with carbonitrided case increase raceway face retained austenite content, improve inner ring and outer ring raceway face wearability to
Improving bearing is service life.
Two, the present invention is tested by high speed temperature rise, and functional, maximum speed is deep-groove ball on existing automobile gearbox
1.3 times of maximum speed, bearing capacity improves 1.5 times compared with similar products.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the schematic diagram that the present invention carries out temperature-rise test device；
Fig. 3 is the temperature changing curve diagram that the present invention carries out temperature rise test, and ordinate indicates temperature (DEG C) in figure, abscissa
It indicates time (min), four curves successively indicate two test bearings, lubricating oil and temperature rise test of the invention from top to bottom in figure
Temperature variation curve in device.
Specific embodiment
Specific embodiment 1: illustrate present embodiment in conjunction with Fig. 1, present embodiment it include inner ring 1, outer ring 2, protect
Frame 3 and multiple steel balls 4 are held, the inner surface of outer ring 2 and the outer surface of inner ring 1 are machined with raceway, and outer ring 2 is with 1 set of inner ring one
It rises, multiple steel balls 4 are erected on retainer 4 and are placed between outer ring 2 and inner ring 1, and the ditch coefficient of curvature of inner ring 1 and outer ring 2 is equal
It is 0.52, the baffle coefficient of inner ring 1 and outer ring 2 is 0.4, and the material of inner ring 1 and outer ring 2 is all made of inclusion size and is not more than
15 microns of the high-quality bearing steel of superfine.
Specific embodiment 2: to be all made of non-metallic inclusion size little for the material of present embodiment inner ring 1 and outer ring 2
In 15 microns of the high-quality bearing steel of superfine.Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 3: the high-quality bearing steel of superfine described in present embodiment is GCr15A bearing steel.
Other compositions and connection relationship are same as the specific embodiment one.
Specific embodiment 4: illustrating present embodiment in conjunction with Fig. 1, bearing steel described in present embodiment is vacuum outgas
Bearing steel.
It carries out vacuum outgas and inclusion size and compares no more than the fatigue life of 15 microns of bearing steel general to hold in axis
Steel can improve 70% or more.Other compositions and connection relationship are the same as the specific implementation mode 3.
Specific embodiment 5: illustrating present embodiment in conjunction with Fig. 1, the surface of present embodiment retainer 3 is equipped with soft
The carbonitrided case of nitridation.
The surface of retainer is equipped with the carbonitrided case of tufftride, and the hardness, wearability and resistance to punching of retainer can be improved
The ability hit.Other compositions and connection relationship are same as the specific embodiment one.
As shown in Fig. 2, temperature-rise test device includes main shaft 10, motor 11, pedestal 9, axial loading device 8, radial loaded
Device 5, upper cover 6 and cabinet 12；
The bearing of main shaft 10 through the invention is mounted on cabinet 12, and main shaft 10 is connect by shaft coupling with motor 11, case
Body 12 is fixed on pedestal 9, and upper cover 6 is connect with cabinet 12, and axial loading device 5, the end peace of main shaft 10 are equipped in upper cover 6
Equipped with axial loading device 8, the output end of axial loading device 8 is acted on outer ring 2 of the invention, 8 He of radial loading device
Axial loading device 8 is hydraulic pressure cylinder assembly.A pair of present invention to be tested is mounted on main shaft 10, then by outer ring of the invention
Bearing holder (housing, cover) is installed on 2,5 output end of radial loading device is acted on bearing holder (housing, cover), the power of application is 5000N, then to this hair
Bright outer ring 2 applies the axial force of 3000N, and the present invention tests under the rotation of motor 11.
Adjustment in 50 minutes is first carried out to the present invention, then carries out high revolving speed temperature performance test, test speed 12500r/
Min, testing time are 1200 minutes, carry out continuous oil spout to the present invention during test and are lubricated, obtain temperature rise curve figure,
After tested, it is tested bearing outer ring temperature highest to be between 82 DEG C to 92 DEG C, is in 45 DEG C to 62 DEG C through detection inlet oil temperature
Between.Bearing outer ring temperature is stablized, and input pressure is stablized.Testing equipment smooth running during test tears machine open before state change
It checks without exception.The present invention after test is dismantled, appearance flawless wear the defects of.As shown in Table 1, for bearing into
Full-scale numerical value before row temperature rise test carries out full-scale numerical value after temperature rise test as shown in Table 2 for bearing, through one He of table
The comparison of two front and back of table, the full-scale of bearing are held essentially constant, and measurement complies with standard.The present invention is 12500r/min in revolving speed
It can work normally, be 1.3 times of existing similar bearing maximum speed, dynamic load rating improves 15% or more.
Table one
Unit: micron
| Serial number | Detection project | Standard value | Bearing one | Bearing two |
| 1 | △dmp | 0~-8 | -4 | -4 |
| 2 | Vdsp | ≤6 | 2 | 1 |
| 3 | Vdmp | ≤4 | 1 | 1 |
| 4 | △Dmp | 0~-9 | -4 | -4 |
| 5 | VDsp | ≤7 | 2 | 3 |
| 6 | VDmp | ≤5 | 1 | 2 |
| 7 | Kia | ≤5 | 2 | 4 |
| 8 | Kea | ≤8 | 3 | 4 |
| 9 | Gr | 15~33 | 20 | 21 |
| 10 | △Bs | 0~-60 | -45 | -51 |
| 11 | VBs | ≤5 | 3 | 3 |
| 12 | △Cs | 0~-60 | -48 | -46 |
| 13 | VCs | ≤6 | 2 | 3 |
| 14 | It vibrates (noise) | ≤42dB | 38dB | 37dB |
Table two
Unit: micron
| Serial number | Detection project | Standard value | Bearing one | Bearing two |
| 1 | △dmp | 0~-8 | -5 | -6 |
| 2 | Vdsp | ≤6 | 3 | 2 |
| 3 | Vdmp | ≤4 | 2 | 2 |
| 4 | △Dmp | 0~-9 | -5 | -4 |
| 5 | VDsp | ≤7 | 3 | 3 |
| 6 | VDmp | ≤5 | 2 | 3 |
| 7 | Kia | ≤5 | 4 | 5 |
| 8 | Kea | ≤8 | 4 | 7 |
| 9 | Gr | 15~33 | 22 | 23 |
| 10 | △Bs | 0~-60 | -47 | -52 |
| 11 | VBs | ≤5 | 4 | 3 |
| 12 | △Cs | 0~-60 | -49 | -46 |
| 13 | VCs | ≤6 | 2 | 3 |
| 14 | It vibrates (noise) | ≤42dB | 40dB | 41dB |
Wherein △ dmp is internal diameter tolerance, and Vdsp is sagittal plane bore diameter variation, and Vdmp is mean inside diameter variation
Amount, △ Dmp are the deviation of mean inside diameter, and VDsp is single sagittal plane outside diameter variation, and VDmp is mean outside diameter variation,
Kia is runout tolerance, and Kea is complete bearing outer ring circular runout, and Gr is radial internal clearance, and △ Bs is that inner ring single-width is inclined
Difference, VBs are inner race width variation, and △ Cs is outer ring single-width deviation, and VCs is outer ring width variation.
Claims (5)
1. a kind of high revolving speed deep groove ball bearing of automobile gearbox, it includes inner ring (1), outer ring (2), retainer (3) and multiple steel
Ball (4), it is characterised in that: the inner surface of outer ring (2) and the outer surface of inner ring (1) are machined with raceway, outer ring (2) and inner ring
(1) be nested together, multiple steel balls (4) are erected on retainer (3) and are placed between outer ring (2) and inner ring (1), inner ring (1) and
The ditch coefficient of curvature of outer ring (2) is 0.52, and the baffle coefficient of inner ring (1) and outer ring (2) is 0.4, inner ring (1) and outer ring
(2) surface of raceway is equipped with carbonitrided case.
2. the high revolving speed deep groove ball bearing of a kind of automobile gearbox according to claim 1, it is characterised in that: inner ring (1) and
The material of outer ring (2) is all made of superfine high-quality bearing steel of the non-metallic inclusion size less than or equal to 15 microns.
3. the high revolving speed deep groove ball bearing of a kind of automobile gearbox according to claim 2, it is characterised in that: the superfine is excellent
Matter bearing steel is GCr15A bearing steel.
4. the high revolving speed deep groove ball bearing of a kind of automobile gearbox according to claim 3, it is characterised in that: the bearing steel
For the bearing steel of vacuum outgas.
5. the high revolving speed deep groove ball bearing of a kind of automobile gearbox according to claim 1, it is characterised in that: retainer (3)
Surface be equipped with tufftride carbonitrided case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053966.4A CN109538627A (en) | 2019-01-21 | 2019-01-21 | A kind of high revolving speed deep groove ball bearing of automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053966.4A CN109538627A (en) | 2019-01-21 | 2019-01-21 | A kind of high revolving speed deep groove ball bearing of automobile gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109538627A true CN109538627A (en) | 2019-03-29 |
Family
ID=65837919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910053966.4A Pending CN109538627A (en) | 2019-01-21 | 2019-01-21 | A kind of high revolving speed deep groove ball bearing of automobile gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109538627A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326700U (en) * | 2011-11-29 | 2012-07-11 | 宁波万丰轴承有限公司 | Deep groove ball bearing for bearing axial heavy load |
| CN202937624U (en) * | 2012-11-14 | 2013-05-15 | 优必胜(上海)精密轴承制造有限公司 | Angular contact ball bearing |
| CN103256299A (en) * | 2013-05-22 | 2013-08-21 | 河南科技大学 | Method for determining structural parameters of variable-pitch bearing |
| CN203335640U (en) * | 2013-05-03 | 2013-12-11 | 宁波万丰轴承有限公司 | Thin-wall nonstandard deep groove ball bearing |
| CN103790936A (en) * | 2012-10-31 | 2014-05-14 | 优必胜(上海)精密轴承制造有限公司 | Angular contact ball bearing |
| CN205260614U (en) * | 2016-01-04 | 2016-05-25 | 哈尔滨哈轴精密轴承制造有限公司 | Thrust angular contact ball bearing |
| CN205446385U (en) * | 2015-12-24 | 2016-08-10 | 上海振华轴承总厂有限公司 | Bear four integral angular contact bearing of axial heavy load |
| CN209458289U (en) * | 2019-01-21 | 2019-10-01 | 哈尔滨轴承集团公司 | A kind of high revolving speed deep groove ball bearing of automobile gearbox |
-
2019
- 2019-01-21 CN CN201910053966.4A patent/CN109538627A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326700U (en) * | 2011-11-29 | 2012-07-11 | 宁波万丰轴承有限公司 | Deep groove ball bearing for bearing axial heavy load |
| CN103790936A (en) * | 2012-10-31 | 2014-05-14 | 优必胜(上海)精密轴承制造有限公司 | Angular contact ball bearing |
| CN202937624U (en) * | 2012-11-14 | 2013-05-15 | 优必胜(上海)精密轴承制造有限公司 | Angular contact ball bearing |
| CN203335640U (en) * | 2013-05-03 | 2013-12-11 | 宁波万丰轴承有限公司 | Thin-wall nonstandard deep groove ball bearing |
| CN103256299A (en) * | 2013-05-22 | 2013-08-21 | 河南科技大学 | Method for determining structural parameters of variable-pitch bearing |
| CN205446385U (en) * | 2015-12-24 | 2016-08-10 | 上海振华轴承总厂有限公司 | Bear four integral angular contact bearing of axial heavy load |
| CN205260614U (en) * | 2016-01-04 | 2016-05-25 | 哈尔滨哈轴精密轴承制造有限公司 | Thrust angular contact ball bearing |
| CN209458289U (en) * | 2019-01-21 | 2019-10-01 | 哈尔滨轴承集团公司 | A kind of high revolving speed deep groove ball bearing of automobile gearbox |
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